Exhibit 31.1

Coastal Caribbean Oils & Minerals, Ltd.

Rule 13a-14
Certification

CERTIFICATIONS OF CHIEF EXECUTIVE OFFICER

AND CHIEF ACCOUNTING OFFICER

I, Phillip W. Ware, certify that:

1. I have reviewed this annual report on Form 10-K of Coastal
Caribbean Oils & Minerals, Ltd.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or
omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this annual report, fairly present in all material
respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this annual report;

4. I am responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e) and internal control over financial reporting (as
defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the Company and I have:

a) Designed such disclosure controls and
procedures, or caused such disclosure controls and procedures to be designed under my supervision, to ensure that material information relating to the Company, including its consolidated subsidiaries, is made known to me by others within those
entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over
financial reporting, or caused such internal control over financial reporting to be designed under my supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for
external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the
Companys disclosure controls and procedures and presented in this report my conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation;

d) Disclosed in this report any change in the Companys internal control over financial reporting that occurred during the
Companys fourth fiscal quarter that has materially affected, or is reasonably likely to materially affect, the Companys internal control over financial reporting; and

5. I have disclosed, based on my most recent evaluation of internal control over financial reporting, to the Companys auditors and the audit committee of the Companys board of directors (or
persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or
operation of internal control over financial reporting which are reasonably likely to adversely affect the Companys ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the Companys
internal control over financial reporting;

Date: March 30, 2011



By:

/s/ Phillip W. WarePhillip W. Ware,Principal Executive Officer andPrincipal Accounting Officer